11 beta -SUBSTITUTED PROGESTERONE ANALOGS

摘要

An 11 beta -aryl-19-norprogesterone steroid of formula (I): wherein (i) R<1> is H, C1-4 alkyl, C2-4 alkenyl, C2-4 alkynyl, OH, OC(O)CH3, or OC(O)R<5>, wherein R<5> is C2-8 alkyl, C2-8 alkenyl, C2-8 alkynyl or aryl, R2 is H, R<3> is H, C1-4 alkyl, C2-4 alkenyl or C2-4 alkynyl, R<4> is H, CH3, F or Cl, R<6> is H, (CH3)2N, CH3O, CH3CO, CH3S, CH3SO, CH3SO2, and X is O or NOCH3; or (ii) R<1> and R<2> taken together are a carbon-carbon bond and R<3>, R<4>, R<6> and X are as defined above; or (iii) R<1> and R<3> taken together are -CH2- or -N=N-CH2-, R<2> is H and R<4>, R<6> and X are as defined above; or (iv) R<2> and R<3> taken together are =CH2 and R<1>, R<4>, R<6> and X are as defined above.